Published July 30, 2015 12:00AM

The Garmin Forerunner 201. (Photo: Tim Tomkinson)
The world’s first all-in-one GPS-enabled running watch, released in 2003 by Kansas navigation company Garmin. A major breakthrough in training technology, the watch calculated pace, speed, and distance in real time, paving the way for Fitbit, Strava, and other fitness-tracking companies.